#16378F#16378F

#16378F is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.4% C 0.151 H 264.4°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#16378F
RGB	rgb(22, 55, 143)
HSL	hsl(224, 73%, 32%)
HSV	hsv(224, 85%, 56%)
CMYK	cmyk(84.6%, 61.5%, 0%, 43.9%)
CIE-LAB	lab(26.41, 23.28, -51.87)
CIE-LCH	lch(26.41, 56.86, 294.17°)
OKLab	oklab(37.42% -0.0147 -0.1501)
OKLCH	oklch(37.42% 0.151 264.4)
XYZ	xyz(6.6532, 4.8853, 26.5736)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16378F #8F6E16

analogous

#16748F #16378F #31168F

triadic

#16378F #8F1637 #378F16

tetradic

#16378F #8F1674 #8F6E16 #168F31

square

#16378F #8F1674 #8F6E16 #168F31

split-complementary

#16378F #8F3116 #748F16

monochromatic

#060E25 #0E235A #16378F #1E4BC4 #3E6BE1

Accessibility & contrast

On white

10.62

#16378F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#16378F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16378F

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16378F	#FFFFFF	#000000	##FFFFFF
##16378F	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004492

Deuteranopia (green-blind)

#00398D

Tritanopia (blue-blind)

#004E5D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #16378f;
/* rgb */ color: rgb(22, 55, 143);
/* oklch */ color: oklch(37.4% 0.151 264.4);

Tailwind

colors: {
  custom: {
    50: '#6b6db1',
    500: '#16378f',
    950: '#000000',
  },
}

SCSS

$custom: #16378f;
$custom-light: #6b6db1;
$custom-dark: #000000;

JSON

{
  "hex": "#16378f",
  "rgb": {
    "r": 22,
    "g": 55,
    "b": 143
  },
  "hsl": {
    "h": 223.636,
    "s": 73.333,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37418,
    "c": 0.15078,
    "h": 264.4
  },
  "luminance": 0.04886
}

Semantic roles & 50–950 ramp

primary

#16378F

secondary

#C19E3F

accent

#BE38F0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #16378F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →